Write a proportion to find how many points x a student needs to score on a test worth 80 points to get a test score of 80%. Don't solve it just write a proportion.

What are the sotions to the quadratic equation 9x^2=4

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?